{"product_id":"testo-477-led-stroboscope-0563-4770","title":"Testo 477 LED Stroboscope","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThe Testo 477 LED stroboscope is your go-to tool for checking the speed and condition of rotating or vibrating machinery without having to shut it down. It's a real time-saver for maintenance teams and techs needing to diagnose issues on the fly.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eAnyone who's tried to eyeball a fast-spinning fan, belt, or coupling knows it's a blurry mess. This stroboscope cuts through that, letting you see movements as if they're in slow motion or even frozen, right here on a dusty rooftop or in a busy plant room.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eBest For\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eHVAC technicians checking fan motors and ventilation systems.\u003c\/li\u003e\n\u003cli\u003eIndustrial maintenance crews monitoring production lines, pumps, and conveyors.\u003c\/li\u003e\n\u003cli\u003eQuality control inspections of printed goods, textiles, and packaging machinery.\u003c\/li\u003e\n\u003cli\u003eAnyone needing to measure rotational speeds or analyse vibrations without stopping equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThe Testo 477 is designed for a wide range of mechanical inspection and rotational speed measurement tasks. It's suitable for most industrial and commercial applications where you need to analyse fast-moving objects or systems up to 300,000 RPM. Its trigger input and output allow for connectivity to external systems or control via an external sensor.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eIf you're running a different model, check fittings and specs before ordering.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eFeatures\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Measurement Range:\u003c\/strong\u003e Delivers up to 300,000 flashes per minute (fpm) for accurate rotational speed measurements of even the fastest components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright Illumination:\u003c\/strong\u003e Offers up to 4800 Lux illumination at 6000 FPM \/ 30 cm, making even small, hard-to-reach objects clearly visible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Battery Life:\u003c\/strong\u003e Provides up to 5 hours of operation with standard AA batteries, or approximately 11 hours with NiMH rechargeable batteries at 6000 fpm, for uninterrupted work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust IP65 Housing:\u003c\/strong\u003e Integrated impact protection and an IP65 rated housing ensure durability against dust and water splashes, suitable for tough site conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Trigger I\/O:\u003c\/strong\u003e Features trigger input and output for seamless integration with external systems or sensors, allowing for synchronised control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Reflex Marks Needed:\u003c\/strong\u003e Measures rotational speed without the need for reflective markers, preventing production shutdowns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 16px; margin-bottom: 20px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eMeasuring Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e30 to 300,000 fpm (flashes per minute)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e0.02 % of measured value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e±0.1 (30 to 999 fpm); ±1 (1000 to 300,000 fpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eProtection Class\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eFlash Colour\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eApprox. 6500 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eFlash Intensity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e4800 Lux at 6000 FPM \/ 30 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eBattery Life (AA)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eApprox. 5 h at 6000 fpm (3 x AA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eBattery Life (NiMH)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eApprox. 11 h at 6000 fpm (NiMH rechargeable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eDisplay Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eMultiline LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eTesto 477 LED Stroboscope\u003c\/li\u003e\n\u003cli\u003eCarry Case\u003c\/li\u003e\n\u003cli\u003eTrigger Signal Plug\u003c\/li\u003e\n\u003cli\u003eCalibration Protocol\u003c\/li\u003e\n\u003cli\u003eBatteries (3 x AA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eUsing It on the Job\u003c\/h2\u003e\n\u003col style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdentify Your Target:\u003c\/strong\u003e Make sure the area you're inspecting is safe to approach and visible. Check for any rotating parts that might not be obvious.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower On \u0026amp; Adjust Settings:\u003c\/strong\u003e Turn on the Testo 477 and select your initial flash rate. If you know the approximate RPM, set it close to that value to start.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSync with Movement:\u003c\/strong\u003e Adjust the flash rate until the rotating or vibrating object appears stationary or in slow motion. This frequency matches the object's rotational speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect for Irregularities:\u003c\/strong\u003e Once synced, visually inspect the component for damage, wear, vibration hotspots, or any unusual movements that would be invisible at normal operating speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecord Findings:\u003c\/strong\u003e Note down the measured fpm\/rpm and any observations for your service report or maintenance logs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean and Store:\u003c\/strong\u003e After use, wipe down the IP65 rated housing if needed and return the stroboscope to its carry case to protect it for the next job.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eLimitations \u0026amp; Safety Notes\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli\u003eAlways follow site-specific safety procedures, including lockout\/tagout (LOTO) protocols for machinery, even when using this tool for non-contact inspection.\u003c\/li\u003e\n\u003cli\u003eThe stroboscope is not a substitute for proper machine guarding or physical safety checks.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate lighting in the work area to reduce eye strain, especially during prolonged use.\u003c\/li\u003e\n\u003cli\u003eFollow all relevant Australian standards and Safe Work guidance for industrial maintenance and machinery operation.\u003c\/li\u003e\n\u003cli\u003eOnly use the recommended battery types (AA or NiMH rechargeable) to ensure optimal performance and battery life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eTradie Pro Tip\u003c\/h2\u003e\n\u003cblockquote style=\"border-left: 4px solid #007acc; background-color: #f9f9f9; font-style: italic; padding: 15px; margin: 20px 0;\"\u003eWhen setting the flash rate, you might see a 'frozen' image at multiples or fractions of the true RPM. Slowly increase the flash rate until you find the highest speed where a single, clear, frozen image appears. That's your true operating speed, saving you from chasing false readings.\u003c\/blockquote\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003ePair With\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003ePair your Testo 477 LED Stroboscope with a quality infrared thermometer for non-contact temperature readings, or a vibration meter to get a full picture of machinery health. Consider a general inspection camera for visual checks in hard-to-reach areas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Automated FAQ Schema --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the measurement range of the Testo 477?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Testo 477 LED stroboscope can measure rotational speeds and provide flash rates from 30 up to 300,000 flashes per minute (fpm). This allows for detailed inspection of even very fast-moving components.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How long does the battery last on the Testo 477?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Testo 477 provides approximately 5 hours of continuous operation at 6000 fpm when using 3 x AA batteries. If you use NiMH rechargeable batteries, the operating time extends to about 11 hours at the same flash rate.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can the Testo 477 connect to external systems?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Testo 477 features both a trigger input and output. This allows it to connect to and be controlled by external systems or sensors, making it suitable for integrated monitoring setups.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Testo","offers":[{"title":"Default Title","offer_id":43820685328443,"sku":"0563 4770","price":356.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0316\/7787\/4235\/files\/testo-477-instrument-rpm-000137_a1fb1f08-8059-4af4-aef8-2d2483e40935.jpg?v=1784528312","url":"https:\/\/www.hvacshop.com.au\/products\/testo-477-led-stroboscope-0563-4770","provider":"HVAC Supply Shop","version":"1.0","type":"link"}